I imagine the C-like syntax is part of it. Tcl can be very easy on the eyes (though it can also be very hard on the eyes -- I'm looking at you, expr). It's an e

I imagine the C-like syntax is part of it. Tcl can be very easy on the eyes (though it can also be very hard on the eyes -- I'm looking at you, expr). It's an extremely down-to-earth language overall. Objectively speaking, though, it seems like you're right -- historically, people have chosen Lisp-like languages over Tcl-like languages, as the latter are now mostly relegated to toy language projects like this one.